Skip to main content
MOD 12KTL3-X2(Pro) vs GWT12K-SDT-30 (SDT G3 series) 15 of 19 identical Swap Change inverters

Growatt MOD 12KTL3-X2(Pro) vs GoodWe GWT12K-SDT-30 (SDT G3 series)

Growatt MOD 12KTL3-X2(Pro)
Growatt
MOD 12KTL3-X2(Pro)
12 kW 98.2 % euro Grid-tie
Open inverter page Datasheet PDF
VS
GoodWe GWT12K-SDT-30 (SDT G3 series)
GoodWe
GWT12K-SDT-30 (SDT G3 series)
12 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

GWT12K-SDT-30 (SDT G3 series) leads on the differences that matter

The largest is max input current per tracker: 2.0 A more headroom. 15 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 4 differences
How alike are they
15 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

4 of 19 parameters
Parameter MOD 12KTL3-X2(Pro) GWT12K-SDT-30 (SDT G3 series) Difference
Max input current per tracker 20.0 A 22.0 A 2.0 A more headroom
Max AC power 12.00 kW 13.20 kW 1.20 kW apart
Nominal AC voltage 400 V 380 V 20 V apart
Dimensions 387x425x178 mm 392x491x204 mm 387x425x178 mm vs 392x491x204 mm
02

Full specification

Parameter MOD 12KTL3-X2(Pro) GWT12K-SDT-30 (SDT G3 series) Difference
AC output
Rated AC power 12.00 kW 12.00 kW Same
Max AC power 12.00 kW 13.20 kW 1.20 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 380 V 20 V apart
Max AC current 20.0 A 20.0 A Same
PV input
Max PV power 18.00 kW - Not published by GoodWe
DC/AC ratio 1.50 - Not published by GoodWe
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 140-1000 V 140-1000 V Same
Start voltage 160 V 160 V Same
MPP trackers 2 2 Same
Strings per tracker 1 1 Same
Max input current per tracker 20.0 A 22.0 A +2.0 A for GWT12K-SDT-30 (SDT G3 series)
Efficiency
European efficiency 98.2 % - Not published by GoodWe
Max efficiency 98.6 % 98.5 % Effectively the same
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input - - Neither datasheet publishes this
Battery voltage - - Neither datasheet publishes this
Max charge current - - Neither datasheet publishes this
Backup power - - Neither datasheet publishes this
Physical
Weight 15.6 kg 15.5 kg Effectively the same
Weight per kW 1.3 kg/kW 1.3 kg/kW Same
Dimensions 387x425x178 mm 392x491x204 mm 387x425x178 mm vs 392x491x204 mm
Ingress protection IP66 IP66 Same
Cooling natural natural Same
Noise - 29 dB Not published by Growatt
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes - Not published by GoodWe
Ethernet Yes - Not published by GoodWe
Arc fault protection Yes Yes Same
Integrated DC switch - Yes Not published by Growatt
Warranty
Warranty 8 yrs - Not published by GoodWe
03

More useful comparisons

Open all inverters
Same type, similar size
Growatt
Growatt MOD 12KTL3-X2(Pro) vs Growatt MOD 12KTL3-X
4 differences, the largest is max input current per tracker
Same type, similar size
Sungrow
Growatt MOD 12KTL3-X2(Pro) vs Sungrow SG12KTL-M
7 differences, the largest is max input current per tracker
Same type, similar size
Sungrow
Growatt MOD 12KTL3-X2(Pro) vs Sungrow SG12RT-20
7 differences, the largest is max input current per tracker
04

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.